[johnwill]

Maybe the voice is only for problems?

 

[johnwill]

Onboard sound disabled. Using a Creative Audigy 2 Platinum sound card.

There's your answer!

 

[johnwill]

You won't get any sounds from your BIOS voice diagnostics unless you use the on-board sound hardware. It's not possible for them to program the BIOS to drive all the 3rd party sound boards in the world, that's why it doesn't work.